document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856062>Question 856062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <a  rel=nofollow HREF='http://postimage.org/' target='_blank'><IMG STYLE=\"max-width:80%;\" src='http://s28.postimg.org/k8oe5odx9/dddds.jpg' border='0' alt=\"dddds\" /></a>\r<BR>\n" );
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document.write( "I want to know ho to solve these 3 questions please \r<BR>\n" );
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document.write( "thank you . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #515712 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=515712\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> These are not algebra problems but rather physics problems. <BR>\n" );
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document.write( "Q47: Gravity acts downwards. Resolve the force into components along the plane and normal to the plane. Along the plane, <BR>\n" );
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document.write( "Q42:Look at the work done by the friction force. It equals the initial kinetic energy of the object.<BR>\n" );
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document.write( "Q49: Since there is a friction force, set up a force balance down the plane.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%289.8%29%280.5%29-3.8=2a ALIGN=MIDDLE  ALT=\"2%289.8%29%280.5%29-3.8=2a\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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